/Engine/Source/Editor/UnrealEd/Public/FileHelpers.h
Does a SaveAs for the specified assets.
static void SaveAssetsAs ( const [TArray](API\Runtime\Core\Containers\TArray)< [UObject](API\Runtime\CoreUObject\UObject\UObject) * > & Assets, [TArray](API\Runtime\Core\Containers\TArray)< [UObject](API\Runtime\CoreUObject\UObject\UObject) * > & OutSavedAssets )